| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.karaf.management; |
| |
| import java.util.Map; |
| |
| import javax.management.JMException; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| |
| public class MBeanRegistrer { |
| |
| private MBeanServer mbeanServer; |
| |
| private Map<Object, String> mbeans; |
| |
| public void setMbeans(Map<Object, String> mbeans) { |
| this.mbeans = mbeans; |
| } |
| |
| public void registerMBeanServer(MBeanServer mbeanServer) throws JMException { |
| if (this.mbeanServer != mbeanServer) { |
| unregisterMBeans(); |
| } |
| this.mbeanServer = mbeanServer; |
| registerMBeans(); |
| } |
| |
| public void unregisterMBeanServer(MBeanServer mbeanServer) throws JMException { |
| unregisterMBeans(); |
| this.mbeanServer = null; |
| } |
| |
| public void init() throws Exception { |
| registerMBeans(); |
| } |
| |
| protected void registerMBeans() throws JMException { |
| if (mbeanServer != null && mbeans != null) { |
| for (Map.Entry<Object, String> entry : mbeans.entrySet()) { |
| String value = parseProperty(entry.getValue()); |
| mbeanServer.registerMBean(entry.getKey(), new ObjectName(value)); |
| } |
| } |
| } |
| |
| protected void unregisterMBeans() throws JMException { |
| if (mbeanServer != null && mbeans != null) { |
| for (Map.Entry<Object, String> entry : mbeans.entrySet()) { |
| String value = parseProperty(entry.getValue()); |
| mbeanServer.unregisterMBean(new ObjectName(value)); |
| } |
| } |
| } |
| |
| protected String parseProperty(String raw) { |
| if (raw.indexOf("${") > -1 && raw.indexOf("}", raw.indexOf("${")) > -1) { |
| String var = raw.substring(raw.indexOf("${") + 2, raw.indexOf("}")); |
| String val = System.getProperty(var); |
| if (val != null) { |
| raw = raw.replace("${" + var + "}", val); |
| } |
| } |
| return raw; |
| } |
| } |